Whole-House Water Filter Systems

Shop whole-house water filter systems designed to treat water near the point where it enters the home. Start with your water source and the specific water-quality issue you want to address, then compare system format, cartridge size, flow requirements, and product-specific treatment claims. If you already have a whole-house housing or system and only need a new cartridge, shop the Whole House Water Filter Replacement Cartridges category instead. You can place sediment, carbon, descaler, or other cartridges in your household water filter housings to get the filtration you need for your home.

SpiroPure SP-WH300
  • 5 Stars
  • (5)

SpiroPure SP-WH300 Whole House Water Filter (Sediment, Carbon, & Descaler)

List Price: $558.76

Our Price: $279.38

Save: $279.38!
VIEW DETAILS
Replace filters every 12 months

Provides complete 3-stage filtration including scale buildup prevention with a salt-free descaler

SpiroPure SP-WH200

SpiroPure SP-WH200 Whole House Water Filter (Sediment and Carbon)

List Price: $406.72

Our Price: $203.36

Save: $203.36!
VIEW DETAILS
Replace filters every 12 months

Recommended for those who do not have hard water or already have a water softener installed

SpiroPure SP-WH325
  • 5 Stars
  • (5)

SpiroPure SP-WH325 Whole House Water Filter 3 Replacement Cartridge Set

List Price: $260.46

Our Price: $130.23

Save: $130.23!
VIEW DETAILS
Replace every 12 months

One year filter replacement set for SP-WH300

SpiroPure SP-WH225
  • 5 Stars
  • (1)

SpiroPure SP-WH225 Whole House Water Filter 2 Replacement Cartridge Set

List Price: $185.44

Our Price: $92.72

Save: $92.72!
VIEW DETAILS
Replace every 12 months

One year filter replacement set for SP-WH200

Shop Individual Filter Cartridges

Find the exact filter you need in top-selling sediment (melt-blown, pleated, string-wound), carbon (carbon block, dual purpose, granular, catalytic), and salt-free descalers. Filters available in standard 10" and 20" sizes, including slim 2.5" diameter and high-capacity "Big Blue" 4.5" diameter options.
BROWSE BY SIZE & TYPE

How to Choose a Whole-House Water Filter System

  1. Identify your water source. Municipal-water shoppers can review their utility Consumer Confidence Report. Private-well users should use appropriate water testing to identify treatment needs.
  2. Define the treatment goal before choosing media. Sediment filtration, chlorine/chloramine treatment, scale control, and water softening address different water conditions and should not be treated as interchangeable functions.
  3. Confirm household flow and connection requirements. Use the exact system specifications rather than assuming every 10-inch or 20-inch housing provides the same flow or capacity.
  4. Choose the appropriate system format and cartridge size. Multi-stage systems may combine different media, while some branded systems use model-specific cartridges.
  5. Verify the exact product before purchase. Open the product page to confirm applicable reduction claims, certifications, pressure/temperature limits, flow/capacity, replacement guidance, installation requirements, and compatible cartridges.

System vs. Replacement Cartridge

Choose this page when you are shopping for a complete whole-house filtration setup or comparing system types. If a housing or system is already installed and you know the cartridge or replacement size you need, shop the dedicated Whole House Water Filter Replacements category. Verify exact replacement compatibility on the product page.

Benefits of Installing a Whole House Water Filter

Installing a whole house water filter system delivers clean, filtered water from every faucet in your home. These systems improve taste and odor by removing chlorine and chloramine used in municipal treatment, while protecting your plumbing and appliances from sediment buildup and mineral deposits. Advanced multi-stage systems reduce contaminants including heavy metals, volatile organic compounds, and emerging pollutants like PFAS. Your family enjoys better water for drinking, cooking, bathing, and laundry, while your water heater, dishwasher, and washing machine benefit from reduced sediment exposure. The best water filtration system for home use provides peace of mind because you'll know every tap delivers cleaner water without the ongoing expense of bottled water.

Types of Whole House Water Filter Systems

Whole house water filter systems come in several configurations to address different water quality challenges. Sediment filters act like sieves, mechanical devices that prevent physical particulates from passing through. A variety of micron ratings work to trap particles, rust, and debris, making them highly essential in well water applications or homes with old pipes. See our well water filters page to learn more about the right filters for well water conditions.

Activated carbon removes chlorine, chemicals, and improves taste and odor in drinking water. When used in sequence, sediment and carbon function as multi-stage whole house water filter systems and pair perfectly with targeted filtration such as descaler cartridges or water softeners for hard water or specialized media for iron, sulfur, and other impurities. High-flow systems designed for large homes use bigger housing and cartridge to maintain water pressure while filtering, typically featuring 4.5" x 20" "Big Blue" configurations that balance filtration effectiveness with flow rate demands.

Large Selection of High-Quality Filters

All Filters offers a wide selection of whole-house water filtering systems and replacement cartridges, such as those from Aqua-Pure. We also stock our own brand, SpiroPure, which offers significant cost savings compared to OEM filters while maintaining high performance standards. SpiroPure water filters are also designed to be compatible with major branded filtration systems, ensuring an exact fit with OEM products.

Our systems and replacement cartridges ensure clean, filtered water throughout your entire home. This means that every tap delivers water clear of contaminants and impurities, ensuring you have clean water for drinking, cooking, bathing, and cleaning. Our whole-house water filtering systems are designed to remove harmful contaminants like sediment, chlorine, rust, and chemicals—including specific options like lead water filters—without eliminating beneficial minerals like calcium, magnesium, and potassium. Here are some more benefits you can expect from All Filters:

  • Easy installation: Whole-house filter cartridges are designed for easy installation and replacement with features like pressure-relief buttons and accessories like housing wrenches.
  • Appliance protection: By managing contaminants that can cause corrosion, our systems and filters help extend the longevity of plumbing systems and appliances, resulting in long-term savings on repairs and maintenance.

Why Buy a Whole House Water Filtering System from All Filters?

Choose from a wide range of filtration systems and compatible whole house water filter replacement cartridges designed to improve the quality of water throughout your home. All Filters offers free shipping on orders over $99, and our cost-effective SpiroPure products meet OEM standards. Place an order today and make use of our whole-house water filtering systems for cleaner water throughout your home.

FAQs on Whole-House Water Filter Systems

What does a whole-house water filter system do?

A whole-house system treats water at or near the main water line before it reaches multiple fixtures. What it reduces depends on the exact filter media and product specifications, so review the individual system or cartridge claims rather than assuming every whole-house system treats the same substances.
Start with your water source and verified water-quality needs, then compare treatment media, flow requirements, system size, and maintenance. The appropriate choice is a system designed to address the identified water condition while fitting the home’s plumbing and flow requirements.
Treatment needs can differ, but the water source alone does not determine the required filtration. Municipal-water shoppers can review their utility water-quality information, while private-well users should use appropriate testing to identify their specific water conditions. Select treatment media and a system designed for those identified needs. For well-specific shopping and guidance, visit the dedicated well-water filter category.
Some systems include scale-control or descaling media, but filtration, scale control, and ion-exchange softening are not the same process. If hardness reduction is the goal, verify exactly what the product is designed to do rather than assuming a whole-house filter functions as a water softener.
Replacement timing varies by cartridge, water quality, usage, capacity, and system design. Follow the exact product specifications and relevant system indicators rather than applying one replacement interval to every whole-house filter.
If you already have a compatible housing or whole-house system, you may only need the specified replacement cartridge. Use the replacement-filter category and match the existing model, dimensions, and specifications before ordering.

For more related questions see our Whole House Water Filter FAQs